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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,23 @@
// execute the code to ensure all tests pass.

function getAngleType(angle) {
if (angle > 0 && angle < 90) {
return 'Acute angle';
}
else if (angle===90) {
return 'Right angle';
}
else if ( angle > 90 && angle < 180){
return 'Obtuse angle';
}
else if( angle === 180) {
return 'Stright angle';
}
else if (angle > 180 && angle < 360) {
return 'Reflex angle';
}
else {return 'Invalid angle';}

// TODO: Implement this function
}

Expand All @@ -33,5 +50,33 @@ function assertEquals(actualOutput, targetOutput) {

// TODO: Write tests to cover all cases, including boundary and invalid cases.
// Example: Identify Right Angles
const right = getAngleType(90);
assertEquals(right, "Right angle");
// const right = getAngleType(90);
// assertEquals(right, "Right angle");
assertEquals (getAngleType(90), "Right angle");

// const acute = getAngleType(45);
// assertEquals(acute, "Acute angle");
assertEquals (getAngleType(45),"Acute angle");

// const obtuse = getAngleType(120);
// assertEquals(obtuse, "Obtuse angle");
assertEquals (getAngleType(120),"Obtuse angle");

// const stright = getAngleType(180);
// assertEquals(stright, "Stright angle");
assertEquals (getAngleType(180),"Stright angle");
// const reflex = getAngleType(270);
// assertEquals(reflex, "Reflex angle");
assertEquals (getAngleType(270),"Reflex angle");

// const invalid = getAngleType(360);
// assertEquals(invalid, "Invalid angle");
assertEquals (getAngleType(360),"Invalid angle");
//Boundary cases
// const invalid = getAngleType(0);
// assertEquals(invalid, "Invalid angle");
assertEquals (getAngleType(0),"Invalid angle");
//Outside range
// const invalid = getAngleType(-10 , 400);
// assertEquals(invalid, "Invalid angle");
assertEquals (getAngleType(-10 , 400),"Invalid angle");
Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,11 @@
// execute the code to ensure all tests pass.

function isProperFraction(numerator, denominator) {
if( numerator < denominator) {
return true;
}
else {return false; }

// TODO: Implement this function
}

Expand All @@ -31,3 +36,18 @@ function assertEquals(actualOutput, targetOutput) {

// Example: 1/2 is a proper fraction
assertEquals(isProperFraction(1, 2), true);
// inproper fraction:
assertEquals (isProperFraction(5, 3), false );

// equal numbers
assertEquals (isProperFraction(4, 4), false );

// negative numbers
assertEquals (isProperFraction(-2, 4), true );
assertEquals (isProperFraction(5, -4), false );
assertEquals (isProperFraction (-3,-5), false);

// special case
assertEquals(isProperFraction(1,0) , false);

assertEquals (isProperFraction (0,5), true);
Original file line number Diff line number Diff line change
Expand Up @@ -22,9 +22,31 @@
// execute the code to ensure all tests pass.

function getCardValue(card) {
// TODO: Implement this function
const suit = card.slice(-1);
const rank = card.slice(0, -1);

if (suit !== "♠" && suit !== "♥" && suit !== "♦" && suit !== "♣") {
throw new Error("Invalid card");
}

if (rank === "A") {
return 11;
}

if (rank === "J" || rank === "Q" || rank === "K") {
return 10;
}

if (rank >= "2" && rank <= "10") {
return Number(rank);
}

throw new Error("Invalid card");
}

// TODO: Implement this function


// The line below allows us to load the getCardValue function into tests in other files.
// This will be useful in the "rewrite tests with jest" step.
module.exports = getCardValue;
Expand All @@ -40,6 +62,16 @@ function assertEquals(actualOutput, targetOutput) {
// TODO: Write tests to cover all outcomes, including throwing errors for invalid cards.
// Examples:
assertEquals(getCardValue("9♠"), 9);
assertEquals(getCardValue("2♠"), 2);
assertEquals(getCardValue("10♦"), 10);

// Face cards
assertEquals(getCardValue("J♣"), 10);
assertEquals(getCardValue("Q♥"), 10);
assertEquals(getCardValue("K♦"), 10);

// Ace
assertEquals(getCardValue("A♠"), 11);

// Handling invalid cards
try {
Expand All @@ -49,4 +81,15 @@ try {
console.error("Error was not thrown for invalid card");
} catch (e) {}


// What other invalid card cases can you think of?

const invalidCards = ["invalid", "1♠", "B♣", "10?", "Z♠"];
for (const card of invalidCards) {
try {
getCardValue(card);
console.error(`Error was not thrown for invalid card: ${card}`);
} catch (e) {
// Expected error, do nothing
}
}
Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,35 @@ test(`should return "Acute angle" when (0 < angle < 90)`, () => {
});

// Case 2: Right angle
test(`should return "Right angle" when (angle=== 90)`, () => {
expect(getAngleType(90)).toEqual("Right angle");
});

// Case 3: Obtuse angles
test (`should return "Obtuse angle" when (90 < angle < 180)` ,() =>{

expect(getAngleType(95)).toEqual("Obtuse angle");
expect(getAngleType(120)).toEqual("Obtuse angle");
expect(getAngleType(100)).toEqual("Obtuse angle");
});

// Case 4: Straight angle
test (`should return "Straight angle" when ( angle === 180)` ,() =>{

expect(getAngleType(180)).toEqual("Straight angle");

});
// Case 5: Reflex angles
test (`should return "Reflex angle" when (180 < angle < 360)` ,() =>{

expect(getAngleType(190)).toEqual("Reflex angle");
expect(getAngleType(300)).toEqual("Reflex angle");
expect(getAngleType(200)).toEqual("Reflex angle");
});
// Case 6: Invalid angles
test (`should return "Invalid angle" when (angle <= 0 or angle > 360)` ,() => {

expect(getAngleType(0)).toEqual("Invalid angle");
expect(getAngleType(400)).toEqual("Invalid angle");
expect(getAngleType(-10)).toEqual("Invalid angle");
});
Original file line number Diff line number Diff line change
Expand Up @@ -2,9 +2,42 @@
// We will use the same function, but write tests for it using Jest in this file.
const isProperFraction = require("../implement/2-is-proper-fraction");

// TODO: Write tests in Jest syntax to cover all combinations of positives, negatives, zeros, and other categories.

// Special case: numerator is zero
test(`should return false when denominator is zero`, () => {
// denominator is zero
test("should return false when denominator is zero", () => {
expect(isProperFraction(1, 0)).toEqual(false);
});

// proper fraction (numerator < denominator)
test("should return true when numerator < denominator", () => {
expect(isProperFraction(1, 2)).toEqual(true);
});

// improper fraction (numerator > denominator)
test("should return false when numerator > denominator", () => {
expect(isProperFraction(5, 3)).toEqual(false);
});

// equal numbers
test("should return false when numerator === denominator", () => {
expect(isProperFraction(4, 4)).toEqual(false);
});

// numerator is zero
test("should return true when numerator is zero and denominator is positive", () => {
expect(isProperFraction(0, 5)).toEqual(true);
});

// negative numerator
test("should return false when numerator is negative", () => {
expect(isProperFraction(-2, 4)).toEqual(false);
});

// negative denominator
test("should return false when denominator is negative", () => {
expect(isProperFraction(5, -4)).toEqual(false);
});

// both negative
test("should return false when both numerator and denominator are negative", () => {
expect(isProperFraction(-3, -5)).toEqual(false);
});
Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,32 @@ test(`Should return 11 when given an ace card`, () => {
expect(getCardValue("A♠")).toEqual(11);
});


// Case 2: Number Cards (2–10)
test("Should return the numeric value for number cards", () => {
expect(getCardValue("2♠")).toEqual(2);
expect(getCardValue("5♥")).toEqual(5);
expect(getCardValue("9♦")).toEqual(9);
expect(getCardValue("10♣")).toEqual(10);
});

// Case 3: Face Cards (J, Q, K)
test("Should return 10 for face cards", () => {
expect(getCardValue("J♠")).toEqual(10);
expect(getCardValue("Q♥")).toEqual(10);
expect(getCardValue("K♦")).toEqual(10);
});

// Case 4: Invalid Cards
test("Should throw an error for invalid cards", () => {
expect(() => getCardValue("1♠")).toThrowError();
expect(() => getCardValue("B♣")).toThrowError();
expect(() => getCardValue("10?")).toThrowError();
expect(() => getCardValue("invalid")).toThrowError();
});



// Suggestion: Group the remaining test data into these categories:
// Number Cards (2-10)
// Face Cards (J, Q, K)
Expand All @@ -17,4 +43,3 @@ test(`Should return 11 when given an ace card`, () => {
// To learn how to test whether a function throws an error as expected in Jest,
// please refer to the Jest documentation:
// https://jestjs.io/docs/expect#tothrowerror

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